Despite global metrication, British Standards (BS) like BS 1083 (BSW/BSF threads) and BS 1768 (UNC/UNF threads) remain critical for maintaining legacy machinery, power generation equipment, and classic automotive restoration.
SRG Fasteners maintains the tooling and expertise to manufacture these specialized imperial fasteners to exact historical tolerances.
Frequently Asked Questions
What does BSW stand for?
BSW stands for British Standard Whitworth. It was the world's first national standard screw thread, featuring a 55-degree thread angle.